# Arm Care vs The Lab by The Performance Lab

The clearest difference is in-app purchases: The Lab by The Performance Lab at none against Arm Care's 11. Arm Care's advantage is ratings volume (3K vs 1) and chart position (#188 vs unranked). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Arm Care sells 10 in-app purchases, starting at $11.99 per month. The Lab by The Performance Lab asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Arm Care against 5.0 for The Lab by The Performance Lab. That said, the two scores are not equally well evidenced: Arm Care has 3K ratings behind it against 1, so its average is the more settled of the two.

Arm Care ships an update every 9 days, The Lab by The Performance Lab every 10 days. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Arm Care | The Lab by The Performance Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (3K ratings)](https://appshunter.io/ios/app/arm-care/id1480260823/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-lab-by-the-performance-lab/id6776697521/reviews)** |
| Number of ratings | **3K** | 1 |
| Positive reviews | 73.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | Subscription | **Free** |
| Best chart rank | **#188** | — |
| Size | 189 MB | 33 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [ArmCare](https://appshunter.io/developer/1480260822) | [The Performance Lab LLC (Virginia)](https://appshunter.io/developer/6776697523) |

## What reviewers say

### Arm Care

[App page](https://appshunter.io/ios/app/arm-care/id1480260823)

**Currently charting:** #188 Top Grossing · Sports (US App Store)

This app uses a strength sensor to measure arm strength, fatigue, and recovery. It then provides personalized training programs to improve velocity and prevent injuries. Thousands of players and MLB teams rely on this technology for arm health monitoring.

**Highlights:** Measure arm strength and range of motion, Track fatigue and recovery metrics, Individualized throwing and arm care programs, Identify and strengthen weak links, Monitor arm health and velocity gains, Customized daily training routines

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $11.99 | per month |
| Premium | $12.00 | per month |
| Premium | $15.00 | per month |
| Premium | $15.00 | per month |
| Premium | $72.00 | per year |
| Premium | $72.00 | per year |
| Premium | $72.00 | per year |
| Premium | $72.00 | per year |
| Premium | $99.00 | per year |
| Premium | $99.00 | per year |

**What reviewers like**

- 🚀 Strength gains
- 🚀 Personalized plans
- 👍 Helpful for injury prevention
- 👍 User-friendly interface
- 👍 Clear instructions

**What reviewers complain about**

- 🐛 App crashes and glitches
- 🔒 Difficult to cancel subscription
- 💰 Expensive yearly fee

**Reported bugs**

- App turns off during exercises
- Pauses music when opened

**Requested features**

- Ability to cancel subscription within the app
- Offline mode for workouts
- Improved music integration


### The Lab by The Performance Lab

[App page](https://appshunter.io/ios/app/the-lab-by-the-performance-lab/id6776697521)

This app provides baseball and softball players with a structured daily training plan created by their coach. Players can log workouts, track progress, and submit videos for feedback, keeping them organized and connected with their coaching team.

**Highlights:** Personalized daily training plans, Workout logging for reps and sets, Video submission for coach feedback, Performance metric tracking, Comprehensive game development programming, Coach-player connectivity

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Arm Care free?

Arm Care is free to download, with in-app purchases available.

### Is The Lab by The Performance Lab free?

The Lab by The Performance Lab is free to download, with no in-app purchases.

### Which has better reviews, Arm Care or The Lab by The Performance Lab?

The Lab by The Performance Lab is rated higher. Arm Care averages 4.9 out of 5 from 3K ratings, while The Lab by The Performance Lab averages 5.0 from 1 ratings.

### Do Arm Care or The Lab by The Performance Lab have ads?

Neither Arm Care nor The Lab by The Performance Lab shows ads.

### Which is updated more often, Arm Care or The Lab by The Performance Lab?

Arm Care ships an update every 9 days, and The Lab by The Performance Lab every 10 days. Most recently, Arm Care was updated on October 24, 2026 and The Lab by The Performance Lab on October 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*